Clayton's hearing earlier this month at times erupted into shouting, as Clayton insisted to several Democratic senators that he was not an election denier.
Graham's death was announced on Sunday by his office on social media.
Graham, 71, was a prominent Republican senator from South Carolina. Earlier in his career, he was a vocal critic of US President Donald Trump before becoming one of his most loyal allies.
The Maine Secretary of State's office confirmed Platner's withdrawal and will have until July 27 to name a replacement.
"I don't think there's anybody more synonymous with Palm Beach than Donald Trump in maybe all of Florida," said the president's son, Eric Trump.
Candidates hoping to become the Maine Democratic nominee for Senate are split on key issues of concern to the Jewish community.
US AFFAIRS: In an interview with the Post, the 2028 prospective US presidential hopeful says he won’t take AIPAC money, backs a Palestinian state, and stands by sanctions on the Jewish state.
Emanuel, most recently the US ambassador to Japan, is considering a presidential run in 2028. He is a former US congressman from Illinois as well as a former Chicago Mayor.
Many Democrats had already questioned Platner's fitness for office before Politico reported on Monday that a woman accused him of forcing her to have sex with him nearly five years ago.
Platner's campaign did not immediately respond to a request for comment. Platner has denied wrongdoing but said on Monday he would take time "to reflect on the best path forward."
“The prime minister of Israel has failed,” Rep. Haley Stevens said when asked about Iran, saying that both Netanyahu and US President Donald Trump had failed to achieve “long-term peace."
